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发明名称
DRUCKGESTEUERTES EINSTELLBARES WERKZEUG IM BOHRLOCH
摘要
申请公布号
DE60015099(D1)
申请公布日期
2004.11.25
申请号
DE20006015099
申请日期
2000.03.06
申请人
TOOLBOX DRILLING SOLUTIONS LTD., ABERDEEN
发明人
RUSSELL, ALEXANDER;OLLERENSHAW, ANDREW
分类号
E21B17/10;E21B23/00;E21B23/04;E21B47/09;(IPC1-7):E21B23/04
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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